2779C [BEL]
HIGH FREQUENCY MAGNETICS T1/E1Surface Mount Transformers; 高频磁性元件T1 / E1Surface安装变压器
| 型号： | 2779C |
| 厂家： | 
BEL FUSE INC. |
| 描述： | HIGH FREQUENCY MAGNETICS T1/E1Surface Mount Transformers |
| 文件： | 总2页 (文件大小：55K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HIGH FREQUENCY MAGNETICS
T1/E1Surface Mount Transformers
TM00137
•
•
•
Operate at the T1 rate of 1.544 Mbits/s and at the E1
rate of 2.048 Mbits/s
•
•
•
Operating temperature range: -40° C to +85° C
Meets IEC 695, 2-2 flammability requirements
Designed for transmit and receive line interface
applications
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
1500 Volt isolation
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
ELECTRICAL SPECIFICATIONS AT 25° C
DCR
Nominal
Inductance2
Turns Ratio
mH min
Leakage
Inductance3
µH max
Interwinding
Capacitance4
pF
Minimum
Interwinding
Breakdown
Voltage
Ω
max
±2%
Part Number
(4-1):(5-8)1
(4-1)
(4-1)
(5-8)1
(4-1)1
(4-1) & (5-8)1
Vrms
2779C
2779J
1 : 1.36CT
1 : 1.07CT
1.0
1.3
0.85
0.60
1.30
1.10
0.70
0.80
25 max
20 typ
1500
1500
1. connect 6 to 7
2. measured at 10 kHz, 0.1 Vac
3. measured at 100 kHz, 0.1 Vac
4. measured at 1 kHz, 1 Vac
SCHEMATIC
2779C
2779J
4
5
6
7
8
1
1 : N
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-83
HIGH FREQUENCY MAGNETICS
T1/E1 Surface Mount Transformers
TM00137
MECHANICAL
2779C
2779J
8
7
6
5
8
1
7
2
6
3
5
4
0.256 (6.50)
0.160 (4.06)
TERMINAL 1 IDENTIFIER
3
1
2
4
0.350
(8.89)
MAX
0.050 (1.27)
0.100 (2.54)
0.004
8 EDGES
0.100
3
1
2
4
0.490
(12.45)
MAX
0.430
(10.92)
MAX
0.500
(12.7)
MAX
Unless otherwise specified, dimensions are nominal and in inches (millimeters).
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
CORPORATE
FAR EAST
EUROPE
Bel Fuse Inc.
Bel Fuse Ltd.
Bel Fuse Europe Ltd.
198 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
PrestonTechnology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
T1-84
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